<!DOCTYPE html>
<html lang="sv">

<head>
    <meta charset="utf-8" />
    <title>Iframe height demo</title>
    <style media="screen,print">
        #body {
            width: 70em;
            max-width: 100%;
            margin: 0 auto;
        }

        iframe {
            width: 100%;
            margin: 0 0 1em;
            border: 0;
        }
    </style>
    <script>
        /*
         * When the iframe is on a different subdomain, uncomment the following line
         * and change "example.com" to your domain.
         */
        // document.domain = "example.com";
        function setIframeHeight(iframe) {
            console.log(iframe)
            if (iframe) {
                console.log(iframe.contentWindow)
                console.log(iframe.contentWindow.document.documentElement.scrollHeight)
                var iframeWin = iframe.contentWindow || iframe.contentDocument.parentWindow;
                if (iframeWin.document.body) {
                    iframe.height = iframeWin.document.documentElement.scrollHeight || iframeWin.document.body.scrollHeight;
                }
            }
        };

        window.onload = function () {
            setIframeHeight(document.getElementById('external-frame'));
        };
    </script>
</head>

<body>
    <div id="body">
        <h1>Iframe height demo</h1>
        <h2><code>iframe</code> <strong>without</strong> height adjustment</h2>
        <iframe src="backtop.html"></iframe>
        <h2><code>iframe</code> <strong>with</strong> height adjustment</h2>
        <iframe id="frame_content" name="frame_content" src="https://developer.juphoon.com/portal/reference/V2.3/android/classcom_1_1juphoon_1_1cloud_1_1_j_c_client.html" width="100%" height="0" scrolling="no" frameborder="0"></iframe>
        <iframe src="https://developer.juphoon.com/portal/reference/V2.3/android/classcom_1_1juphoon_1_1cloud_1_1_j_c_client.html" frameborder="0" id="external-frame"></iframe>
        <div id="labfooter">
        </div>
    </div>
</body>

</html>